Andy Huerta, 19, and Martin Covarrubias-Rivera, 16, stabbed Austreberto Morales, 68, to death and also attacked Robert Marsh, who survived, on Aug. 29. The two teenagers were arrested after they stole beer from a Circle K at 1504 Broadway Street N.E.

They also pleaded guilty to robbery, according to the Marion County Attorney's Office.

Marion County Circuit Court Judge Joseph C. Guimond will sentence the two defendants on Aug. 22.